From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH] ARM: dts: sun7i: Enable USB DRC on Olimex
 A20 EVB
Date: Mon, 8 Feb 2016 16:43:29 +0100
Message-ID: <56B8B7A1.5020800@redhat.com>
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To: codekipper-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
List-Id: devicetree@vger.kernel.org

Hi,

On 08-02-16 16:29, codekipper-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org wrote:
> From: Marcus Cooper <codekipper-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>
> Enable the otg/drc usb controller on the Olimex A20 EVB.

Does the A20 EVB not have some form of Vbus detect for the OTG
port hooked up ? That does not sound right. Please double check.

Regards,

Hans


>
> Signed-off-by: Marcus Cooper <codekipper-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
>   arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts | 24 ++++++++++++++++++++++++
>   1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
> index c3c626b..93bbf26 100644
> --- a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
> +++ b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
> @@ -198,6 +198,10 @@
>   	status = "okay";
>   };
>
> +&otg_sram {
> +	status = "okay";
> +};
> +
>   &pio {
>   	ahci_pwr_pin_olimex_som_evb: ahci_pwr_pin@1 {
>   		allwinner,pins = "PC3";
> @@ -219,6 +223,13 @@
>   		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>   		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
>   	};
> +
> +	usb0_id_detect_pin: usb0_id_detect_pin@0 {
> +		allwinner,pins = "PH4";
> +		allwinner,function = "gpio_in";
> +		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> +		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> +	};
>   };
>
>   &reg_ahci_5v {
> @@ -254,6 +265,10 @@
>   	regulator-name = "avcc";
>   };
>
> +&reg_usb0_vbus {
> +	status = "okay";
> +};
> +
>   &reg_usb1_vbus {
>   	status = "okay";
>   };
> @@ -268,7 +283,16 @@
>   	status = "okay";
>   };
>
> +&usb_otg {
> +	dr_mode = "otg";
> +	status = "okay";
> +};
> +
>   &usbphy {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&usb0_id_detect_pin>;
> +	usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH04 */
> +	usb0_vbus-supply = <&reg_usb0_vbus>;
>   	usb1_vbus-supply = <&reg_usb1_vbus>;
>   	usb2_vbus-supply = <&reg_usb2_vbus>;
>   	status = "okay";
>